If you are seeing a framerate that sits below what the hardware should deliver after touching your Gaming Pc, the cause is usually a setting or driver issue rather than a hardware fault.

Quick Answer

To fix low fps on a Gaming Pc setup, check that the GPU sits in the top PCIe x16 slot wired straight to the CPU. Most cases clear up once these are right, and you should be back to the frames your parts are capable of.

First checks for Gaming Pc

Start with the basics. Check that the GPU sits in the top PCIe x16 slot wired straight to the CPU. Set the Windows power plan to High Performance and turn off background overlays. These two steps resolve the majority of low fps cases on a Gaming Pc, because the default Windows and driver settings are often the real cause rather than the desktop itself.

When it is not the Gaming Pc at all

Sometimes the Gaming Pc is a red herring. Low fps often hides a CPU bottleneck, a background process, or memory running below its rated speed. Run the RAM at EXPO or XMP, close startup clutter, and confirm the GPU sits in the CPU-linked slot before blaming the desktop.

Tuning the desktop itself

Once the software side is clean, focus on the desktop. Set the Windows power plan to High Performance and turn off background overlays. If the problem only appears under heavy load, watch the temperatures and clocks, because thermal throttling can masquerade as low fps. The aim throughout is the frames your parts are capable of.

FAQ

How do I know if it is thermal throttling?

Watch temperatures with a monitoring overlay while you play. If low fps appears only after a few minutes and the clocks drop as temps climb, cooling is the issue, not the desktop.

Will a clean driver install help with low fps?

Often, yes. A clean install strips out conflicting leftovers that cause low fps. Pair it with an updated Windows 11 build and rated memory for the best result.

Is low fps a hardware fault?

Usually not. Low fps on a Gaming Pc setup is almost always settings, drivers or thermals. Only suspect hardware after the checks above come back clean.

Once the Gaming Pc checks are done and you have the frames your parts are capable of, lock in the settings so the fix sticks after the next update.